This is a BMS with 10A Current and a 16.8V voltage rating to charge 4 cells of Li-ion cells. The module comes with overcharge protection, over-discharge protection, short circuit, and over current protection features.

 Specifications:

• Model : HX-4S-A01
• Size : 72mm*17mm*3mm
• Upper limit working current : 4A~6A
• Upper limit instantaneous current : 10A~13A
• Static Current :  Less than 30uA
• Overcharge Voltage Range : 4.25v~4.35±0.05v
• Overdischarge voltage range : 2.3V~3.0v±0.05v
• Working temperature : -40~ 60℃

 Package Includes:

 1 x 4S 10A Li-ion Battery Protection BMS Board for 3.7V NMC Cells